Question

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Answer 1

Iron

Explanation:

• We are asked to find the odd one out of sodium,potassium,calcium and iron.

• The answer is iron and there are two explanations for this.

• The first is because we know that other iron the rest of them belong to the alkali group with high reducing power.

• Alkali group elements exhibit high metallic properties with high reducing power .They can displace most of the elements in any reaction.

• The other reason could be that sodium,potassium and calcium has single state of ency whereas iron on the other hand has two stable states of valency.

• So by these we conclude that iron is the odd one out.

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Answer 2

Answer:

दीदी

कैसी हो

नाश्ता?

Explanation:

राधाकृष्ण